Section: General Variables

Subsection: Temporal Bounds

Polity Duration

The lifetime of a polity.

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Variable	Definition
Polity	The Seshat Polity ID
Year(s)	The years for which we have the data. [negative = BCE]
Tag	[Evidenced, Disputed, Suspected, Inferred, Unknown]
Verified	A Seshat Expert has approved this piece of data.

Variable	Definition
polity_year_from	The beginning year for a polity.
polity_year_to	The end year for a polity.

Actual Data:

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#	Polity	Year(s)	Polity Year from	Polity Year to	Description	Edit
11	(Buganda)	Full Year Range of Buganda is assumed. [1450, 1699]	1408	1716	None
12	(Chalukyas of Kalyani)	Full Year Range of Chalukyas of Kalyani is assumed. [973, 1189]	973	1189	None
13	(Chagatai Khanate)	Full Year Range of Chagatai Khanate is assumed. [1263, 1402]	1263	1402	None
14	(Ancient Khwarazm)	Full Year Range of Ancient Khwarazm is assumed. [-1000, -521]	-1000	-521	None
15	(Egypt - Late Old Kingdom)	Full Year Range of Egypt - Late Old Kingdom is assumed. [-2350, -2150]	-2350	-2150	None
16	(Spanish Empire II)	Full Year Range of Spanish Empire II is assumed. [1716, 1814]	1716	1814	None
17	(Egypt - Dynasty 0)	Full Year Range of Egypt - Dynasty 0 is assumed. [-3300, -3100]	-3300	-3100	None
18	(Abbasid Caliphate II)	Full Year Range of Abbasid Caliphate II is assumed. [1191, 1258]	1191	1258	None
19	(Elam - Crisis Period)	Full Year Range of Elam - Crisis Period is assumed. [-1100, -900]	-1100	-900	None
20	(Gupta Empire)	Full Year Range of Gupta Empire is assumed. [320, 550]	320	550	None

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